Five level diode clamped voltage source inverter and its application in reactive power compensation

S. Kincic, A. Chandra, S. Babic
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引用次数: 21

Abstract

This paper deals with multilevel diode clamped voltage source inverter applied as STATCOM. The authors use "offline" optimization of switching angles together with fundamental frequency modulation switching strategy (FFM). They show that reactive power compensation is achieved by controlling the exchange of active power between the DC side of the inverter and the AC system. Moreover, they show that it is not possible to achieve the proper compensation during unbalanced conditions of the system while an FFM switching strategy is used together with "offline" optimization of switching angles. Simulation and experimental results are presented.
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五电平二极管箝位电压源逆变器及其在无功补偿中的应用
本文研究了多电平二极管箝位电压源逆变器在STATCOM中的应用。作者将开关角度的“离线”优化与基频调制开关策略(FFM)结合使用。他们表明,无功补偿是通过控制逆变器直流侧与交流系统之间的有功功率交换来实现的。此外,他们还表明,当FFM切换策略与切换角度的“离线”优化一起使用时,不可能在系统不平衡状态下实现适当的补偿。给出了仿真和实验结果。
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